Elementary Sneak Peek: Joan Is Shocked to Meet Sherlock's Brother

In a new preview for the upcoming sophomore season, Joan Watson (Lucy Liu) is shocked to meet Sherlock's brother Mycroft (Rhys Ifans), to whom Sherlock hasn't spoken in years. Sherlock will be forced to confront his estranged brother when Mycroft allows him and Joan to stay in his new home at — wait for it, Holmesian fans — 221B Baker Street.